# #4b5e77

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#4b5e77`
- RGB: rgb(75, 94, 119)
- HSL: hsl(214, 23%, 38%)
- OKLCH: oklch(0.476 0.047 255.4)
- Relative luminance: 0.1083
- Nearest named color: Admiral Blue (#50647f, Δ 2.157) — https://brandsweets.com/colors/admiral-blue
- Moods: cool, muted
- Page: https://brandsweets.com/colors/4b5e77

## Tints & shades

- Tints (toward white): #566d8a, #627c9d, #758ba9, #889bb4, #9babc0, #adbbcc, #c0cad8, #d3dae4, #e6eaef, #f9fafb
- Shades (toward black): #45576e, #3d4d61, #374558, #2f3b4b, #293442, #232c38, #1b232c, #161b23, #0e1116, #080a0d

## Harmonies

- Complementary: #77644b
- Analogous: #4b7477, #4e4b77
- Triadic: #774b5e, #5e774b
- Split-complementary: #774e4b, #74774b
- Tetradic: #774b74, #77644b, #4b774e

## Colors that go with #4b5e77

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #4b5e77 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #4b5e77 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Blue** #0000ff [pool] — 6 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #4b5e77, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #4b5e77: 4 real palettes, including Fintech Trust and Ink & Paper, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Unilever (https://brandsweets.com/colors/brands/unilever-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #4b5e77: 4 real palettes, including Dusk and Desert Road, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #4b5e77 in 14 real palettes, including Codecademy's brand system and Gemstone, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #4b5e77: 4 real palettes, including Lamborghini's brand system and Warp's brand system, as the supporting colour. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #4b5e77: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 6.63:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #475971 (7.15:1)
- On black (#000000): 3.17:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5e7797 (4.56:1); AA: background → #d6d6d6 (4.56:1); AAA: text → #8599b2 (7.2:1)

## Brands using this color

- **Stripe** — secondary #50617a (Δ 1.231) — https://brandsweets.com/colors/brands/stripe
- **Lufthansa** — secondary #52627c (Δ 1.72) — https://brandsweets.com/colors/brands/lufthansa-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4b5e77-9ca9c4-df5a4e-1f1f2d-e9f0f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#4b5e77" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.